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1 vote
1 answer
84 views

PSRR of an amp + ADC input stage

I have an input stage that consists of an amplifier then an ADC. The op-amp and ADC are powered by Buck voltage regulators. I want to measure the PSRR of this stage, so I am planning on breaking the ...
Shannon's user avatar
  • 379
0 votes
3 answers
143 views

Getting closer to figuring out my battery requirements

I have been doing research for at least a week and am still a bit confused, but think I am getting to the point where I am close. I need to power 5V 3-5A. Some days this power source will hook up to ...
Sean Nall's user avatar
  • 165
2 votes
2 answers
583 views

Accepting a Range of Input Voltage that Straddles Operating Voltage

I want to design a system that runs at 5V and about 350mA. I want that system to accept an input voltage between 1.8V and 15V. How can I achieve that goal with a minimum component cost in my input ...
vicatcu's user avatar
  • 22.8k
2 votes
3 answers
464 views

Tapped buck converter

I am designing a board which needs 5V and 3.3V rails, at about 1.5A. If I used two buck converters, I would use a lot of board area. So, is there a way to create a multi-output buck converter? I tried ...
Thomas O's user avatar
  • 32k